Description

6-Methyl Isatinic Anhydride is a versatile heterocyclic organic compound and a key synthetic intermediate in fine chemical manufacturing. Its value lies in its reactive anhydride functionality and the isatin core, which serves as a crucial building block for constructing complex molecular architectures. This product is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of various drug candidates, particularly those containing the isatin or oxindole scaffold, which exhibit a wide range of biological activities.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its structure contributes to the development of novel active ingredients with specific modes of action.
• Dye and Pigment Manufacturing: Serves as a key intermediate for synthesizing complex organic dyes, pigments, and colorants, especially heterocyclic azo dyes.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing fused-ring systems, spiro compounds, and other complex heterocycles via reactions like cycloaddition and nucleophilic substitution.
• Material Science Research: Investigated as a monomer or precursor for developing specialty polymers, organic semiconductors, and photoactive materials.
• Biochemical Research: Used as a scaffold for developing enzyme inhibitors and molecular probes in medicinal chemistry research.

Basic Information

Item	Details
Product Name	6-Methyl Isatinic Anhydride
CAS No.	4692-99-3
Molecular Formula	C9H5NO3
Molecular Weight	175.14 g/mol
Synonyms	6-Methylisatinic Anhydride; 6-Methyl-1H-indole-2,3-dione, 1,3-dihydro-; 6-Methylisatin; 6-Methyl-2,3-dioxoindoline; 1,3-Dihydro-6-methyl-2,3-indolinedione; 6-Methyl-2,3-indolinedione; 6-Methyloxindole-2,3-dione
EINECS	Contact for details

Quality Control

Our 6-Methyl Isatinic Anhydride is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes results from HPLC, IR, and other relevant tests. Our quality commitment ensures the material meets the stringent requirements for use as a pharmaceutical intermediate and in other high-value applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong bases and strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.